Love is more than just a feeling. Like eating and drinking, it’s an instinct that’s essential for survival and the result of complex biochemical processes. Like animals, human beings seek out their partners through scent. When a mother sees and touches her baby, her brain releases the hormone oxytocin, which in turn promotes bonding. Love makes social coexistence possible – for humans and animals. Because love is first and foremost biochemistry, it can affect the body of each and every individual. We really can get “lovesick”.
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